The invention relates to a traditional Chinese medicine for treating equine jaundice. The medicine is characterized by being prepared from the following medicine in parts by weight: 12 parts of rhubarb, 8 parts of asparagus, 8 parts of alisma plantago-aquatica, 7 parts of atractylodes macrocephala, 7 parts of gypenoside, 7 parts of common dysosmatis rhizome and root, 6 parts of plantain seed, 6 parts of cortex dictamni, 9 parts of poria, 9 parts of cinnamon, 5 parts of muskmelon pedicel, 8 parts of coptis chinensis, 13 parts of artemisiacapillaris thumb, 7 parts of fructus amomi, 7 parts of curcuma aromatica, 6 parts of plum kernel, 8 parts of gentiana scabra bunge, 6 parts of mangnolia officinalis, 6 parts of dried orange peel and 10 parts of liquorice. Experiments prove that the medicine can safely and effectively treat equine jaundice.